Dual Channel Stream Monitor

by S.S. Karaki,
E.E. Gray,
J. Collins,

Serial Information: Journal of the Hydraulics Division, 1961, Vol. 87, Issue 6, Pg. 1-16

Document Type: Journal Paper


Monitor is ultrasonic instrument developed to monitor water surface and stream bed profiles simultaneously under dynamic conditions in alluvial channel, and was developed as laboratory tool; it is light weight, portable, fully transistorized and uses echo ranging principle to determine distances to reflecting surfaces; 2 piezoelectric transducers are used.

Subject Headings: Stream channels | River and stream beds | Alluvial channels | Nondestructive tests | Electronic equipment | Water surface profiles | Piezoelectricity

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